func declTypeName(pkg *types.Package, name string) *types.TypeName {
	scope := pkg.Scope()
	if obj := scope.Lookup(name); obj != nil {
		return obj.(*types.TypeName)
	}
	obj := types.NewTypeName(token.NoPos, pkg, name, nil)
	// a named type may be referred to before the underlying type
	// is known - set it up
	types.NewNamed(obj, nil, nil)
	scope.Insert(obj)
	return obj
}
示例#2
0
// TypeName = ExportedName .
func (p *parser) parseTypeName() *types.TypeName {
	pkg, name := p.parseExportedName()
	scope := pkg.Scope()
	if obj := scope.Lookup(name); obj != nil {
		return obj.(*types.TypeName)
	}
	obj := types.NewTypeName(token.NoPos, pkg, name, nil)
	// a named type may be referred to before the underlying type
	// is known - set it up
	types.NewNamed(obj, nil, nil)
	scope.Insert(obj)
	return obj
}
示例#3
0
文件: type.go 项目: rjammala/emgo
func (cdd *CDD) tupleName(tup *types.Tuple) (tupName string, fields []*types.Var, acds []*CDD) {
	n := tup.Len()
	for i := 0; i < n; i++ {
		if i != 0 {
			tupName += "$$"
		}
		name, dim, a := cdd.TypeStr(tup.At(i).Type())
		tupName += dimFuncPtr(name, dim)
		acds = append(acds, a...)

	}
	tupName = strings.Map(symToDol, tupName)

	fields = make([]*types.Var, n)
	for i := 0; i < n; i++ {
		v := tup.At(i)
		fields[i] = types.NewField(
			v.Pos(), v.Pkg(), "_"+strconv.Itoa(i), v.Type(), false,
		)
	}

	if _, ok := cdd.gtc.tupNames[tupName]; ok {
		return
	}

	cdd.gtc.tupNames[tupName] = struct{}{}

	s := types.NewStruct(fields, nil)
	o := types.NewTypeName(tup.At(0).Pos(), cdd.gtc.pkg, tupName, s)
	acd := cdd.gtc.newCDD(o, TypeDecl, 0)
	acd.structDecl(new(bytes.Buffer), tupName, s)
	cdd.DeclUses[o] = true
	acds = append(acds, acd)

	return
}
示例#4
0
func makeNamedType(name string, underlying types.Type) *types.Named {
	obj := types.NewTypeName(token.NoPos, reflectTypesPackage, name, nil)
	return types.NewNamed(obj, underlying, nil)
}
示例#5
0
func (p *importer) typ() types.Type {
	// if the type was seen before, i is its index (>= 0)
	i := p.int()
	if i >= 0 {
		return p.typList[i]
	}

	// otherwise, i is the type tag (< 0)
	switch i {
	case arrayTag:
		t := new(types.Array)
		p.record(t)

		n := p.int64()
		*t = *types.NewArray(p.typ(), n)
		return t

	case sliceTag:
		t := new(types.Slice)
		p.record(t)

		*t = *types.NewSlice(p.typ())
		return t

	case structTag:
		t := new(types.Struct)
		p.record(t)

		n := p.int()
		fields := make([]*types.Var, n)
		tags := make([]string, n)
		for i := range fields {
			fields[i] = p.field()
			tags[i] = p.string()
		}
		*t = *types.NewStruct(fields, tags)
		return t

	case pointerTag:
		t := new(types.Pointer)
		p.record(t)

		*t = *types.NewPointer(p.typ())
		return t

	case signatureTag:
		t := new(types.Signature)
		p.record(t)

		*t = *p.signature()
		return t

	case interfaceTag:
		t := new(types.Interface)
		p.record(t)

		// read embedded interfaces
		embeddeds := make([]*types.Named, p.int())
		for i := range embeddeds {
			embeddeds[i] = p.typ().(*types.Named)
		}

		// read methods
		methods := make([]*types.Func, p.int())
		for i := range methods {
			pkg, name := p.qualifiedName()
			methods[i] = types.NewFunc(token.NoPos, pkg, name, p.typ().(*types.Signature))
		}

		*t = *types.NewInterface(methods, embeddeds)
		return t

	case mapTag:
		t := new(types.Map)
		p.record(t)

		*t = *types.NewMap(p.typ(), p.typ())
		return t

	case chanTag:
		t := new(types.Chan)
		p.record(t)

		*t = *types.NewChan(types.ChanDir(p.int()), p.typ())
		return t

	case namedTag:
		// read type object
		name := p.string()
		pkg := p.pkg()
		scope := pkg.Scope()
		obj := scope.Lookup(name)

		// if the object doesn't exist yet, create and insert it
		if obj == nil {
			obj = types.NewTypeName(token.NoPos, pkg, name, nil)
			scope.Insert(obj)
		}

		// associate new named type with obj if it doesn't exist yet
		t0 := types.NewNamed(obj.(*types.TypeName), nil, nil)

		// but record the existing type, if any
		t := obj.Type().(*types.Named)
		p.record(t)

		// read underlying type
		t0.SetUnderlying(p.typ())

		// read associated methods
		for i, n := 0, p.int(); i < n; i++ {
			t0.AddMethod(types.NewFunc(token.NoPos, pkg, p.string(), p.typ().(*types.Signature)))
		}

		return t

	default:
		panic(fmt.Sprintf("unexpected type tag %d", i))
	}
}
示例#6
0
func makeNamedType(name string, underlying types.Type) *types.Named {
	obj := types.NewTypeName(reflectTypesPackage, name, nil)
	return types.NewNamed(obj, underlying, types.ObjSet{})
}